DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of Derivative Assets and Liabilities on a Gross Basis (Details) - USD ($) $ in Millions	Aug. 26, 2018	May 27, 2018
Derivatives, Fair Value [Line Items]
Fair value of derivative asset	$ 2.8
Fair value of derivative liabilities	62.6
Designated as hedging instrument
Derivatives, Fair Value [Line Items]
Fair value of derivative asset	0.0
Fair value of derivative liabilities	58.1
Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative Assets	2.8	$ 5.8
Derivative Liabilities	4.5	0.5
Interest rate swap contracts \| Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Fair value of derivative asset	0.0
Interest rate swap contracts \| Other accrued liabilities
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	58.1
Commodity contracts \| Prepaid expenses and other current assets \| Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative Assets	1.0	3.7
Commodity contracts \| Other accrued liabilities \| Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative Liabilities	4.0	0.4
Foreign exchange contracts \| Prepaid expenses and other current assets \| Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative Assets	1.8	2.1
Foreign exchange contracts \| Other accrued liabilities \| Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative Liabilities	$ 0.5	0.0
Other \| Prepaid expenses and other current assets \| Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative Assets		0.0
Other \| Other accrued liabilities \| Total derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative Liabilities		$ 0.1

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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